Average Co-Inventor Count = 1.60
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Hitachi, Ltd. (1 from 42,488 patents)
2. Ricoh Company, Ltd. (1 from 28,546 patents)
3. Mitsubishi Hitachi Power Systems, Ltd. (651 patents)
2 patents:
1. 11420453 - Conveyance device and liquid discharge apparatus
2. 8201410 - High-temperature steam turbine power plant